Agapanthus Thunderstorm (Specimen)


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SKU: agapanthus-thunderstorm Category:
Common Name: African Lily
Size: 10 Litre
Hardiness: H4
Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees ˚C) are shown in brackets

  • H1a: under glass all year (>15˚C)
  • H1b: can be grown outside in the summer (10 - 15 ˚C)
  • H1c: can be grown outside in the summer (5 - 10 ˚C)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5 ˚C)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1 ˚C)
  • H4: hardy through most of the UK (-10 to -5 ˚C)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10 ˚C)
  • H6: hardy in all of UK and northern Europe (-20 to -15 ˚C)
  • H7: hardy in the severest European continental climates (< -20 ˚C)
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10 Litre Pot

  • Position: Full sun
  • Soil: Moist, well drained
  • Growth Rate: Average
  • Flowering Period: Summer
  • Hardiness: H4
  • Eventual Height: 0.5 – 1m
  • Eventual Spread: 0.1 – 0.5m

Agapanthus Thunderstorm, also known as ‘African Lily’  is a unique and striking perennial plant with sky blue, trumpet-shaped flowers that bloom in the summer. This plant is known for its large and showy blooms, which are sure to make a statement in any garden or landscape. Agapanthus Thunderstorm is easy to care for and requires minimal maintenance, making it a great choice for both experienced and beginner gardeners. It thrives in full sun to partial shade and is drought tolerant, ensuring that it will thrive in a variety of conditions. Order now and add a touch of drama to your outdoor space with Agapanthus Thunderstorm.

Agapanthus ‘Thunderstorm’ is a cultivar of the Agapanthus plant, also known as the African lily. This cultivar is a hybrid of the Agapanthus praecox subsp. Orientalis and Agapanthus Africanus. It was developed by the UK nurseryman, Alan Bloom in the late 1950s and it was first introduced to the market in the 1960s. Agapanthus ‘Thunderstorm’ is known for its variegated foliage and its ability to thrive in a variety of climates. It is a popular choice for use in gardens, as well as in pots and containers.

How to care for your Agapanthus Thunderstorm

  • Planting: Prefers well-drained soil, so make sure to plant it in a location with good drainage. If your soil is heavy or clay-based, amend it with organic matter to improve drainage. Plant in a sunny location, preferably in the morning sun.
  • Watering: Requires moderate watering. Water it deeply once or twice a week, depending on the weather conditions. During hot weather, you may need to water it more often, but be careful not to overwater it. Avoid watering the foliage, as this can lead to fungal diseases.
  • Fertilising: Benefits from regular feeding. Apply a balanced fertiliser every two weeks during the growing season. Use a fertiliser high in potassium to promote flower production.
  • Pruning: Deadhead the spent flowers to encourage new blooms. Cut the flower stalks down to the base of the plant once they have finished blooming. In the Autumn, cut back the foliage to about 15cm above the ground.
  • Winter care: It is frost-tender, so protect it from freezing temperatures. In colder climates, dig up the bulbs and store them in a cool, dry place until Spring. In milder climates, mulch the plant with a layer of compost or straw to protect the roots from freezing.

By following these simple care tips, you can enjoy the beauty of Agapanthus Thunderstorm in your garden for many years to come.